I ran across this today, and I thought the folks here might be interested -- a simulation of the Mercury spacecraft. I have not tried it, but the screenshots look interesting.<br /><br />A-OK! The Wings of Mecury 3.5<br />http://pyramiddesign.us/aokwom/<br />"<i>A-OK! The Wings of Mercury is a realistic simulation of the Mercury spacecraft. It features 3D graphics, fully functional control panels, networked simulations, and a complete manual. Version 3.5 is now available on Windows XP and Mac OS X.<br />...<br />You can download and try either the Windows XP or Mac OS X demo version for free! ...</i>"